Idleness is the key of beggary, Jack.

If you don't conquer this disgraceful propensity in time, you'll soon come to want; and then nothing can save you.

Be warned by your father's fate.

As you brew so must you drink.

I've engaged to watch over you as a son, and I _will_ do so as far as I'm able; but if you neglect my advice, what chance have I of benefitting you?
On one point I've made up my mind--you shall either obey me, or leave me.